| 1 |
30 |
unneback |
/*
|
| 2 |
|
|
* Copyright (c) 1988, 1993
|
| 3 |
|
|
* The Regents of the University of California. All rights reserved.
|
| 4 |
|
|
*
|
| 5 |
|
|
* Redistribution and use in source and binary forms, with or without
|
| 6 |
|
|
* modification, are permitted provided that the following conditions
|
| 7 |
|
|
* are met:
|
| 8 |
|
|
* 1. Redistributions of source code must retain the above copyright
|
| 9 |
|
|
* notice, this list of conditions and the following disclaimer.
|
| 10 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
| 11 |
|
|
* notice, this list of conditions and the following disclaimer in the
|
| 12 |
|
|
* documentation and/or other materials provided with the distribution.
|
| 13 |
|
|
* 3. All advertising materials mentioning features or use of this software
|
| 14 |
|
|
* must display the following acknowledgement:
|
| 15 |
|
|
* This product includes software developed by the University of
|
| 16 |
|
|
* California, Berkeley and its contributors.
|
| 17 |
|
|
* 4. Neither the name of the University nor the names of its contributors
|
| 18 |
|
|
* may be used to endorse or promote products derived from this software
|
| 19 |
|
|
* without specific prior written permission.
|
| 20 |
|
|
*
|
| 21 |
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
| 22 |
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
| 23 |
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
| 24 |
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
| 25 |
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
| 26 |
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
| 27 |
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
| 28 |
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
| 29 |
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
| 30 |
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
| 31 |
|
|
* SUCH DAMAGE.
|
| 32 |
|
|
*
|
| 33 |
|
|
* @(#)if_llc.h 8.1 (Berkeley) 6/10/93
|
| 34 |
|
|
* $Id: if_llc.h,v 1.2 2001-09-27 12:01:54 chris Exp $
|
| 35 |
|
|
*/
|
| 36 |
|
|
|
| 37 |
|
|
#ifndef _NET_IF_LLC_H_
|
| 38 |
|
|
#define _NET_IF_LLC_H_
|
| 39 |
|
|
|
| 40 |
|
|
/*
|
| 41 |
|
|
* IEEE 802.2 Link Level Control headers, for use in conjunction with
|
| 42 |
|
|
* 802.{3,4,5} media access control methods.
|
| 43 |
|
|
*
|
| 44 |
|
|
* Headers here do not use bit fields due to shortcomings in many
|
| 45 |
|
|
* compilers.
|
| 46 |
|
|
*/
|
| 47 |
|
|
|
| 48 |
|
|
struct llc {
|
| 49 |
|
|
u_char llc_dsap;
|
| 50 |
|
|
u_char llc_ssap;
|
| 51 |
|
|
union {
|
| 52 |
|
|
struct {
|
| 53 |
|
|
u_char control;
|
| 54 |
|
|
u_char format_id;
|
| 55 |
|
|
u_char class;
|
| 56 |
|
|
u_char window_x2;
|
| 57 |
|
|
} type_u;
|
| 58 |
|
|
struct {
|
| 59 |
|
|
u_char num_snd_x2;
|
| 60 |
|
|
u_char num_rcv_x2;
|
| 61 |
|
|
} type_i;
|
| 62 |
|
|
struct {
|
| 63 |
|
|
u_char control;
|
| 64 |
|
|
u_char num_rcv_x2;
|
| 65 |
|
|
} type_s;
|
| 66 |
|
|
struct {
|
| 67 |
|
|
u_char control;
|
| 68 |
|
|
struct frmrinfo {
|
| 69 |
|
|
u_char rej_pdu_0;
|
| 70 |
|
|
u_char rej_pdu_1;
|
| 71 |
|
|
u_char frmr_control;
|
| 72 |
|
|
u_char frmr_control_ext;
|
| 73 |
|
|
u_char frmr_cause;
|
| 74 |
|
|
} frmrinfo;
|
| 75 |
|
|
} type_frmr;
|
| 76 |
|
|
struct {
|
| 77 |
|
|
u_char control;
|
| 78 |
|
|
u_char org_code[3];
|
| 79 |
|
|
u_short ether_type;
|
| 80 |
|
|
} type_snap;
|
| 81 |
|
|
struct {
|
| 82 |
|
|
u_char control;
|
| 83 |
|
|
u_char control_ext;
|
| 84 |
|
|
} type_raw;
|
| 85 |
|
|
} llc_un;
|
| 86 |
|
|
};
|
| 87 |
|
|
#define llc_control llc_un.type_u.control
|
| 88 |
|
|
#define llc_control_ext llc_un.type_raw.control_ext
|
| 89 |
|
|
#define llc_fid llc_un.type_u.format_id
|
| 90 |
|
|
#define llc_class llc_un.type_u.class
|
| 91 |
|
|
#define llc_window llc_un.type_u.window_x2
|
| 92 |
|
|
#define llc_frmrinfo llc_un.type_frmr.frmrinfo
|
| 93 |
|
|
#define llc_frmr_pdu0 llc_un.type_frmr.frmrinfo.rej_pdu0
|
| 94 |
|
|
#define llc_frmr_pdu1 llc_un.type_frmr.frmrinfo.rej_pdu1
|
| 95 |
|
|
#define llc_frmr_control llc_un.type_frmr.frmrinfo.frmr_control
|
| 96 |
|
|
#define llc_frmr_control_ext llc_un.type_frmr.frmrinfo.frmr_control_ext
|
| 97 |
|
|
#define llc_frmr_cause llc_un.type_frmr.frmrinfo.frmr_control_ext
|
| 98 |
|
|
|
| 99 |
|
|
/*
|
| 100 |
|
|
* Don't use sizeof(struct llc_un) for LLC header sizes
|
| 101 |
|
|
*/
|
| 102 |
|
|
#define LLC_ISFRAMELEN 4
|
| 103 |
|
|
#define LLC_UFRAMELEN 3
|
| 104 |
|
|
#define LLC_FRMRLEN 7
|
| 105 |
|
|
|
| 106 |
|
|
/*
|
| 107 |
|
|
* Unnumbered LLC format commands
|
| 108 |
|
|
*/
|
| 109 |
|
|
#define LLC_UI 0x3
|
| 110 |
|
|
#define LLC_UI_P 0x13
|
| 111 |
|
|
#define LLC_DISC 0x43
|
| 112 |
|
|
#define LLC_DISC_P 0x53
|
| 113 |
|
|
#define LLC_UA 0x63
|
| 114 |
|
|
#define LLC_UA_P 0x73
|
| 115 |
|
|
#define LLC_TEST 0xe3
|
| 116 |
|
|
#define LLC_TEST_P 0xf3
|
| 117 |
|
|
#define LLC_FRMR 0x87
|
| 118 |
|
|
#define LLC_FRMR_P 0x97
|
| 119 |
|
|
#define LLC_DM 0x0f
|
| 120 |
|
|
#define LLC_DM_P 0x1f
|
| 121 |
|
|
#define LLC_XID 0xaf
|
| 122 |
|
|
#define LLC_XID_P 0xbf
|
| 123 |
|
|
#define LLC_SABME 0x6f
|
| 124 |
|
|
#define LLC_SABME_P 0x7f
|
| 125 |
|
|
|
| 126 |
|
|
/*
|
| 127 |
|
|
* Supervisory LLC commands
|
| 128 |
|
|
*/
|
| 129 |
|
|
#define LLC_RR 0x01
|
| 130 |
|
|
#define LLC_RNR 0x05
|
| 131 |
|
|
#define LLC_REJ 0x09
|
| 132 |
|
|
|
| 133 |
|
|
/*
|
| 134 |
|
|
* Info format - dummy only
|
| 135 |
|
|
*/
|
| 136 |
|
|
#define LLC_INFO 0x00
|
| 137 |
|
|
|
| 138 |
|
|
/*
|
| 139 |
|
|
* ISO PDTR 10178 contains among others
|
| 140 |
|
|
*/
|
| 141 |
|
|
#define LLC_X25_LSAP 0x7e
|
| 142 |
|
|
#define LLC_SNAP_LSAP 0xaa
|
| 143 |
|
|
#define LLC_ISO_LSAP 0xfe
|
| 144 |
|
|
|
| 145 |
|
|
#endif
|
